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Side-by-side: what they do, what they cost, what Kai actually thinks. Pass up to 4 tools via ?tools=claude,chatgpt,gemini.
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Bolt.new (StackBlitz)
A
DeepSeek
S
GitHub Copilot
B
Claude Code
S
TaglinePrompt to deployed full-stack app in the browser.Chinese open-weight powerhouse. Crazy cheap, genuinely smart.Microsoft/GitHub's autocomplete. Deep VS Code + JetBrains integration.Anthropic's CLI agent. Opus-powered, operates on your repo directly.
Categorycodingchatcodingcoding
PricingFree + $20-$200/moFree web + ultra-cheap API (~$0.14/M input tokens)Free (limited) + $10/mo Pro + $19/mo BusinessPart of Claude Pro/Max/Team plans
Best forPMs, founders, non-devs shipping MVPs.Developers + cost-conscious builders. Anyone fine with self-hosting.Teams with GitHub already. Devs who don't want to change IDEs.Developers who want an agent, not autocomplete. Large refactors, tests, docs.
Strengths
  • Full-stack generation + live preview
  • Deploy to Netlify in one click
  • Works in-browser — no install
  • Open weights you can self-host
  • Strong reasoning + math
  • Near-free API pricing
  • DeepSeek-V3 / R1 are serious models
  • Great enterprise story
  • Works in your existing IDE
  • Chat + autocomplete
  • Runs locally, edits your actual files
  • Strong on large codebases with 1M context
  • Great at multi-step tasks
Weaknesses
  • Quality ceiling for complex apps
  • Can get into loops for non-trivial bugs
  • Data goes to servers in China — privacy concerns for business use
  • Chinese policy filters
  • English polish trails Western models
  • Less agentic than Cursor/Claude Code
  • Model quality varies
  • Terminal-based — learning curve
  • Can't be used without Claude subscription
Kai's verdictA-tier. Best for fast prototypes. Competitive with Lovable — try both.S-tier for price/performance. A-tier for consumer use. If you build apps, this is the budget pick.B-tier. Solid for autocomplete but the category moved past it. Pick Cursor unless you can't.S-tier if you live in the terminal. Different shape than Cursor — complementary, not replacement.
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